Customized version of http://www.thingiverse.com/thing:2482372

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=2482372

Using the following options:

ringLineWidth = 0
ringOuterDiameter = 0
ringHeight = 0
letterSquish = 3.5
lineChamfer = 4
roundedTop = 0
name = C=h
textSize = 30
lineHeight = 8
lineWidth = 10
ringPosition = 0
smartOverlap = 1
font = 10